BtVs by Whedon and M.E., Bill & Ted's Excellent Adventure by Orion Pictures.
Hundred word drabble, Buffy's Season 2 Halloween.
"This is so awesome!"
"Rufus, we'd like you to meet Xander Harris."
"Guys. You wanted to party with him wearing the costume our entire future society is based on?"
"Chill. We'll get him back before sunrise. Things are good."
"Check your watches, you missed the activation chant. If you head to Sunnydale, it'll stay a bundle of rags."
"Oh. Well, that's not good."
"No, no it's not. Looks like I'll have to flip the 'on' switch myself." Rufus cracked his knuckles and spread his hands as if holding a guitar. "I hate chaos magic. The beat's all wrong."